SECTIONAL GRATE-FIRED FURNACE OF ACCELERATED COMBUSTION Russian patent published in 2003 - IPC

FIELD: industrial heat-power engineering; grate-fired sectional furnaces for burning solid fuel. SUBSTANCE: furnace includes heat-insulating chamber divided vertically by fire grates with inlet and outlet cavities adjoining them; they are connected in turn with air supply gas ducts and high-temperature flue gas exhaust ducts; device is also provided with solid fuel bin and ash bin equipped with feeder; inlet cavities and air supply gas duct are provided with partitions dividing heat-insulating chamber into sectors at ratio of height of upper and lower sectors equal to 1:1-0.6. EFFECT: increased productivity; enhanced efficiency and reliability. 10 cl, 7 dwg